Fixes Hyper-V agent security group ICMP rules

Converts ICMP protocol to the equivalent protocol number.
Adds default ICMP reject rules.
Adds default ANY protocol rules if the rule does not
contain any protocol.

Closes-Bug: #1299159
Change-Id: Iff51a58fdb532eda0fe7a63abf96004ee74bb073
(cherry picked from commit f56972193be903c67cd54c57bcc2becf6222aced)
Merge "Fixes Hyper-V agent security group ICMP rules" into stable/icehouse